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macronutrient
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大量营养素
植物生长发育所必需的碳(C)、氢(H)、氧(O)3种非矿质必需元素(来自大气和水),以及氮(N)、磷(P)、硫(S)、钾(K)、镁(Mg)、钙(Ca)6种矿质必需元素(来自土壤)。
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大量营养物
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macronutrient
大量营养物
有机体在新陈代谢过程中需求量较大的营养物质。
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macronutrient
大量营养物
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Art Comprehensive Curriculum Theory
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